Consolidated Company-Sponsored Investment Funds - Offsetting of Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Derivative Asset [Abstract]
Cash Collateral Received	$ (2,900)	$ (400)
VIEs
Derivative Asset [Abstract]
Gross Amounts of Recognized Assets	5,887	3,224
Gross Amounts Offset in the Statement of Financial Condition	0	0
Net Amounts of Assets Presented in the Statement of Financial Condition	5,887	3,224
Financial Instruments	0	0
Cash Collateral Received	(904)	(513)
Net Amount	4,983	2,711
Derivative Liability [Abstract]
Gross Amounts of Recognized Liabilities	18,342	6,893
Gross Amounts Offset in the Statement of Financial Condition	0	0
Net Amounts of Liabilities Presented in the Statement of Financial Condition	18,342	6,893
Financial Instruments	0	0
Cash Collateral Pledged	(1,824)	(4,201)
Net Amount	16,518	2,692
VOEs
Derivative Asset [Abstract]
Gross Amounts of Recognized Assets	0	464
Gross Amounts Offset in the Statement of Financial Condition	0	0
Net Amounts of Assets Presented in the Statement of Financial Condition	0	464
Financial Instruments	0	0
Cash Collateral Received	0	0
Net Amount	0	464
Derivative Liability [Abstract]
Gross Amounts of Recognized Liabilities	0	664
Gross Amounts Offset in the Statement of Financial Condition	0	0
Net Amounts of Liabilities Presented in the Statement of Financial Condition	0	664
Financial Instruments	0	0
Cash Collateral Pledged	0	(138)
Net Amount	$ 0	$ 526